diff --git a/.travis.yml b/.travis.yml
index a7c0f95..3e2bb4e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: racket
 
 env:
- - RACKET_VERSION=HEAD
+ - RACKET_VERSION=6.1
 
 before_install:
 - cd ..